Write Pulse

{
  "public": {
    "Sr25519": "0x9204c197905af474c1edfc5ae3e8263dcf53746156df77c73741daa0d5a08145"
  },
  "pulses": [
    {
      "round": "25,613,451",
      "signature": "0xa610e53b0bd58b2234919c50363f49e21d719820ce965a7be1da21ab7e7419fd4de93918de96e998653522c07991e4fc",
      "randomness": "0x12579b3ee005bf5f65ac508e8c4dc164c6fb6bcfe271fe08ef7a00d4d72fb5b5"
    }
  ],
  "blockNumber": "7,423,678"
}

{
  "Sr25519": "0x487259e94b48f33510964004b309c8d67a4c288d9ac6bea38fb9e86af4e71b7ad097c178d95f4b3b87db3ecff7516a1d4860a5d575cb4440eab378abd4ac9a8c"
}